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Internal Medicine Doctors in Texas

Data updated monthly · Last refresh October 2026

9,182 Internal Medicine providers practice in Texas, including 1,804 (20%) offering telehealth. The largest concentration is in Houston. Profiles include federal Open Payments records of money received from drug and device companies in 2025. Listings are drawn from federal public records and are not endorsements.

9,182providers
1,804telehealth
Houstontop city

Internal Medicine by city in Texas

Choose a city to see providers there.

Internal Medicine in Houston1,496 providers
Internal Medicine in Dallas950 providers
Internal Medicine in San Antonio658 providers
Internal Medicine in Austin607 providers
Internal Medicine in Fort Worth394 providers
Internal Medicine in El Paso263 providers
Internal Medicine in Galveston217 providers
Internal Medicine in Plano209 providers
Internal Medicine in Temple195 providers
Internal Medicine in Tyler143 providers
Internal Medicine in Lubbock119 providers
Internal Medicine in Sugar Land108 providers
Internal Medicine in Arlington102 providers
Internal Medicine in Longview100 providers
Internal Medicine in Irving99 providers
Internal Medicine in Corpus Christi95 providers
Internal Medicine in Amarillo82 providers
Internal Medicine in Frisco81 providers
Internal Medicine in Harlingen73 providers
Internal Medicine in Webster70 providers
Internal Medicine in Odessa66 providers
Internal Medicine in Richardson62 providers
Internal Medicine in San Angelo61 providers
Internal Medicine in Round Rock61 providers

Internal Medicine providers in Texas

Listed by city, largest first. Payment figures come from the federal Open Payments program, which requires drug and device companies to report what they pay physicians for consulting, speaking, meals, travel and royalties. A disclosed payment is a financial relationship, not evidence of wrongdoing, and many totals reflect a single meal. Figures cover calendar year 2025.

Dr. Thomas Williamson, MD
Houston, TX · No drug or device payments recorded (2025) · (713) 442-3222
Dr. Thu Nguyen, D.O.
Houston, TX · $460 in drug and device payments (2025) · (713) 464-9939
Dr. Tiffany Lock
Houston, TX · $22 in drug and device payments (2025) · (823) 355-2666
Dr. Timothy Tang, MD
Houston, TX · $158 in drug and device payments (2025) · (281) 858-4888
Dr. Timothy Timmons, D.O.
Houston, TX · No drug or device payments recorded (2025) · (917) 412-0808
Dr. Tin-yun Tang, MD
Houston, TX · No drug or device payments recorded (2025) · Telehealth · (713) 792-6161
Dr. Tiruchengodu Venkatachalapathi, M.D.
Houston, TX · No drug or device payments recorded (2025) · (713) 960-8008
Dr. Titilola Adio, M.D.
Houston, TX · No drug or device payments recorded (2025) · (832) 355-1000
Dr. Toan Nguyen, MD
Houston, TX · $19 in drug and device payments (2025) · (281) 726-8656
Dr. Tochi Unegbu-ogbonna
Houston, TX · No drug or device payments recorded (2025) · (713) 500-5154
Dr. Todd Schlegel, M.D.
Houston, TX · No drug or device payments recorded (2025) · (281) 335-8818
Dr. Toicha Vincent, MD
Houston, TX · $32 in drug and device payments (2025) · (713) 442-0000
Dr. Tomas Rios, M.D.
Houston, TX · No drug or device payments recorded (2025) · Telehealth · (323) 239-2308
Dr. Toni Williams Keaton, MD
Houston, TX · $348 in drug and device payments (2025) · (512) 730-3056
Dr. Tony Lin, MD
Houston, TX · No drug or device payments recorded (2025) · (713) 442-0000
Dr. Tracy Carter, MD
Houston, TX · No drug or device payments recorded (2025) · (713) 442-1500
Dr. Tram Ho, MD
Houston, TX · $1,069 in drug and device payments (2025) · Telehealth · (713) 457-5500
Dr. Trang Bui, M.D.
Houston, TX · $112 in drug and device payments (2025) · (713) 662-2777
Dr. Trela Parker, MD
Houston, TX · No drug or device payments recorded (2025) · (713) 442-0000
Dr. Trevor Jamison
Houston, TX · No drug or device payments recorded (2025) · (281) 309-1228
Dr. Trevor Rabie, MD
Houston, TX · No drug or device payments recorded (2025) · (713) 461-2915
Dr. Trien Vu, M.D.
Houston, TX · No drug or device payments recorded (2025) · (832) 355-2121
Dr. Trung Nguyen
Houston, TX · $116 in drug and device payments (2025) · (713) 798-4951
Dr. Trung Pham, M.D.
Houston, TX · $46 in drug and device payments (2025) · (281) 537-5300
Dr. Tso Chen, M.D.
Houston, TX · No drug or device payments recorded (2025) · (713) 791-1414
Dr. Tung Mai, DO
Houston, TX · No drug or device payments recorded (2025) · (713) 272-8858
Dr. Turab Raza, M.D.
Houston, TX · No drug or device payments recorded (2025) · (713) 790-3333
Dr. Ucheoma Nwaogwugwu, MD
Houston, TX · No drug or device payments recorded (2025) · Telehealth · (346) 275-6750
Dr. Ujjval Jariwala, M.D.
Houston, TX · No drug or device payments recorded (2025) · (832) 973-8167
Dr. U Kanti Murtineni, M.D
Houston, TX · No drug or device payments recorded (2025) · (713) 960-8008
Dr. Umair Shah, MD, MPH
Houston, TX · $30 in drug and device payments (2025) · (713) 439-6184
Dr. Umar Darr, M.D.
Houston, TX · $46 in drug and device payments (2025) · (419) 392-6168
Dr. Usman Jilani, MD/DO
Houston, TX · No drug or device payments recorded (2025) · Telehealth · (713) 396-2821
Dr. Utpal Ghosh, M.D.
Houston, TX · $95 in drug and device payments (2025) · (713) 791-1414
Dr. Uyioghosa Evbayiro
Houston, TX · No drug or device payments recorded (2025) · (713) 873-8890
Dr. Vandana Shah, M.D.
Houston, TX · No drug or device payments recorded (2025) · (713) 798-1000
Dr. Vandana Shrikanth, MD
Houston, TX · $5,428 in drug and device payments (2025) · (832) 548-5000
Dr. Vanessa Ku, MD
Houston, TX · No drug or device payments recorded (2025) · (713) 791-1414
Dr. Vanessa Nzeh, M.D.
Houston, TX · $125 in drug and device payments (2025) · (713) 500-6525
Dr. Vanessa Tilney, M.D.
Houston, TX · $3,150 in drug and device payments (2025) · Telehealth · (713) 363-8055
Dr. Vanessa Wellinghoff, MD
Houston, TX · No drug or device payments recorded (2025) · (713) 442-0000
Dr. Vani Potluri, M.D.
Houston, TX · No drug or device payments recorded (2025) · Telehealth · (713) 798-4260
Dr. Varsha Patel, MD
Houston, TX · No drug or device payments recorded (2025) · (713) 442-0000
Dr. Varun Kumar
Houston, TX · No drug or device payments recorded (2025) · Telehealth · (713) 532-6884
Dr. Venkata Lakshmi Achanta, M.D.
Houston, TX · $35 in drug and device payments (2025) · (713) 402-7824
Dr. Vern Mills, M.D.
Houston, TX · $26 in drug and device payments (2025) · (713) 960-8008
Dr. Veronica Vittone, M.D.
Houston, TX · $1,195 in drug and device payments (2025) · Telehealth · (713) 441-4280
Dr. Veronika Nicholson, M.D.
Houston, TX · $209 in drug and device payments (2025) · (713) 861-6490
Dr. Vicente Corrales Medina, M.D.
Houston, TX · No drug or device payments recorded (2025) · (713) 798-4211
Dr. Victoria Brehm, MD
Houston, TX · No drug or device payments recorded (2025) · (713) 798-2222

Conditions Internal Medicine providers in Texas commonly treat

Patients often search by condition rather than specialty. These are conditions typically managed by Internal Medicine providers. Individual practices vary, so confirm with the provider before booking.

Common questions

How many Internal Medicine providers are in Texas?

There are 9,182 Internal Medicine providers with active NPI records practicing in Texas, according to federal NPPES data refreshed monthly.

Do Internal Medicine providers in Texas offer telehealth?

Yes. 1,804 of the 9,182 Internal Medicine providers in Texas (about 20%) report offering telehealth services in CMS data.

Which cities in Texas have the most Internal Medicine providers?

Houston (1,496), Dallas (950), San Antonio (658) have the highest concentration of Internal Medicine providers in Texas.

How many Internal Medicine providers in Texas received drug or device company payments?

3,948 of 9,182 Internal Medicine providers in Texas (43%) received at least one payment from a drug or device company in 2025, according to the federal Open Payments program.

What conditions do Internal Medicine providers in Texas treat?

Internal Medicine providers commonly treat high blood pressure, type 2 diabetes, high cholesterol, preventive care, chronic disease management and related conditions. Individual practices vary, so confirm with the provider before booking.

Where does this data come from?

Provider counts and profiles come from the federal NPPES registry and CMS Doctors and Clinicians files. Payment figures come from the CMS Open Payments program for calendar year 2025. The directory refreshes monthly.

Do most Internal Medicine Doctors in Texas work in independent practices or large health systems?

Among 5,747 Internal Medicine Doctors in Texas enrolled in Medicare, 23% bill through a solo or small practice with fewer than 10 clinicians, 17% through a mid-size group of 10 to 99, and 60% through a large group or health system with 100 or more clinicians, according to CMS enrollment records.

Which hospitals do Internal Medicine Doctors in Texas work at?

According to CMS facility affiliation records, the Texas hospitals where the most Internal Medicine Doctors hold privileges are Memorial Hermann Hospital System in Houston; Baylor University Medical Center in Dallas; Houston Methodist Hospital in Houston.

Related reading on HealthcareDiscovery.AI

Internal Medicine in all 50 states Search all 9,182 in the directory Ask Zach for help choosing

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Try a city like Tucson, a zip like 85016, or a specialty like psychiatry. For a doctor by name, use the full search.
Sources: NPPES (CMS), Doctors and Clinicians national files, CMS Open Payments 2025. Updated monthly. Records are public federal data and are not verified credentials, licensure checks, or endorsements. This directory is informational and not medical advice. How we build this directory. Are you a Internal Medicine in Texas? Get featured.